EP 0322774 A3 19900718 - PROCESS FOR THE CONTINUOUS PREPARATION OF REINFORCED THERMOPLASTIC SHEETS AND APPARATUS FOR CARRYING OUT SAID PROCESS
Title (en)
PROCESS FOR THE CONTINUOUS PREPARATION OF REINFORCED THERMOPLASTIC SHEETS AND APPARATUS FOR CARRYING OUT SAID PROCESS
Publication
Application
Priority
IT 2322187 A 19871224
Abstract (en)
[origin: EP0322774A2] Process for the continuous preparation of reinforced thermoplastic sheets, which comprises: a) feeding to a multiple extrusion head a fiberglass mat and a thermoplastic polymer in the fluid state; b) coupling by co-extrusion at least one layer of thermoplastic polymer to at least one surface of the mat; c) forming and cooling the coupled material thus obtained in a calendering section. t
IPC 1-7
IPC 8 full level
B29C 48/08 (2019.01); B29C 48/31 (2019.01); B29C 70/50 (2006.01); B29K 105/08 (2006.01); B29L 7/00 (2006.01)
CPC (source: EP KR US)
B29C 48/07 (2019.02 - KR); B29C 48/08 (2019.02 - EP KR US); B29C 48/154 (2019.02 - EP KR US); B29C 48/313 (2019.02 - EP US); B29C 48/705 (2019.02 - EP US); B29C 70/506 (2013.01 - EP KR US); B29C 48/07 (2019.02 - EP US); B29K 2105/0854 (2013.01 - EP KR)
Citation (search report)
- [X] US 3874833 A 19750401 - ANCKER FRED H
- [A] US 4053269 A 19771011 - LEVY SIDNEY
- [X] PATENT ABSTRACTS OF JAPAN, vol. 7, no. 74 (M-203)[1219], 26th March 1983; & JP-A-58 003 832 (TOKYO BOSEKI) 10-01-1983
- [A] PATENT ABSTRACTS OF JAPAN, vol. 8, no. 186 (M-320)[1623], 25th August 1984; & JP-A-59 076 214 (TOOWA) 01-05-1984
Designated contracting state (EPC)
AT BE CH DE ES FR GB LI NL SE
DOCDB simple family (publication)
EP 0322774 A2 19890705; EP 0322774 A3 19900718; IT 1223606 B 19900929; IT 8723221 A0 19871224; JP H02139218 A 19900529; KR 890009577 A 19890802
DOCDB simple family (application)
EP 88121537 A 19881222; IT 2322187 A 19871224; JP 32378488 A 19881223; KR 880017457 A 19881224